freebsd-nq/sys/dev/xen
Roger Pau Monné 06592d60f0 xen/control: short circuit xctrl_on_watch_event on spurious event
If there's no data to read from xenstore short-circuit
xctrl_on_watch_event to return early, there's no reason to continue
since the lack of data would prevent matching against any known event
type.

Sponsored by:	Citrix Systems R&D
MFC with:	r352925
MFC after:	1 week
2020-05-28 08:20:16 +00:00
..
balloon Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (16 of many) 2020-02-25 19:04:39 +00:00
blkback vfs: drop the mostly unused flags argument from VOP_UNLOCK 2020-01-03 22:29:58 +00:00
blkfront xen/blkfront: use the correct type for disk sectors 2020-05-28 08:19:13 +00:00
console tty: convert tty_lock_assert to tty_assert_locked to hide lock type 2020-04-17 18:34:49 +00:00
control xen/control: short circuit xctrl_on_watch_event on spurious event 2020-05-28 08:20:16 +00:00
debug Extract eventfilter declarations to sys/_eventfilter.h 2019-05-20 00:38:23 +00:00
evtchn dev/xenstore: fix return with locks held 2020-05-20 11:01:10 +00:00
gntdev Make page busy state deterministic on free. Pages must be xbusy when 2019-12-22 06:56:44 +00:00
grant_table
netback Remove noise that once upon a time allowed netback to build on FreeBSD 6. The 2020-03-01 18:18:11 +00:00
netfront
pci
pcifront
privcmd Make page busy state deterministic on free. Pages must be xbusy when 2019-12-22 06:56:44 +00:00
pvcpu
timer
xenpci
xenstore Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (16 of many) 2020-02-25 19:04:39 +00:00